<div class="van-field__body"><input type="password" autocomplete="on" name="password" placeholder="密码"
        class="van-field__control"></div>
<div class="van-cell__title van-field__label"><span>用户名</span></div>
<div class="van-cell__value van-field__value">
    <div class="van-field__body"><input type="text" name="username" placeholder="用户名" class="van-field__control"></div>
</div>